TippingPoint Zero Day Initiative

Trend Micro Smart Protection Server wcs_bwlists_handler Command Injection Remote Code Execution Vulnerability

ZDI-17-243: April 5th, 2017

CVSS Score

Affected Vendors

Affected Products

    Smart Protection Server

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 26771. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro Smart Protection Server. Authentication is required to exploit this vulnerability.

The specific flaw exists within wcs_bwlists_handler.php. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute arbitrary code under the context of root.

Vendor Response

Trend Micro has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2017-01-10 - Vulnerability reported to vendor
    2017-04-05 - Coordinated public release of advisory


This vulnerability was discovered by:
    Steven Seeley of Source Incite